<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form>
        <select>
            <option >请选择</option>
            <option>上海</option>
            <option>湖北</option>
            <option>北京</option>
            <option>浙江</option>
            <option>南京</option>
            <option>天津</option>
            <option>武汉</option>
        </select>
    </form>
</body>
</html>